package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.data.mongo.ReactiveStreamsMongoClientDependsOnBeanFactoryPostProcessor;
import org.springframework.context.annotation.Lazy;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理接口
 */
@RestController("adminDishController")
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品管理接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result  save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //清理单个分类缓存
        cleanCache("dish_"+dishDTO.getCategoryId());
        return Result.success();
    }
    /**
     * 分页查询菜品
     */
    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("分页查询菜品：{}",dishPageQueryDTO);
        PageResult pageResult=dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }
    /**
     * 根据id删除菜品
     */
    @DeleteMapping
    @ApiOperation("根据id批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        log.info("根据id批量删除菜品：{}",ids);
        dishService.deleteBatch(ids);
        //清理redis缓存
        cleanCache("dish_*");
        return Result.success();

    }
    /**
     * 根据id查询菜品及对应的口味数据
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品：{}",id);
        DishVO dishVO=dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 根据id修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("根据id修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //由于修改的时候涉及到的缓存更新机制比较复杂，所以这里简单粗暴的清理所有缓存
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        return Result.success();
    }

    /**
     * 根据菜品分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据菜品分类id查询菜品")
    public Result<Dish> list(Long categoryId){
        List<Dish> dishList=dishService.listByCategoryId(categoryId);
        return Result.success((Dish) dishList);
    }

    /**
     * 启用或禁用菜品
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("启用或禁用菜品")
    public Result status(@PathVariable Integer status,Long id){
        dishService.startOrStop(status,id);
        //同样的，这里也是简单粗暴的清理所有缓存
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        return Result.success();
    }
    //清理缓存数据
    private void  cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);

    }


}
